ADP-I2C-USB-Z datasheet(3/17 Pages) AD

Teilenummer	ADP-I2C-USB-Z

Bauteilbeschribung	Digital Controller for Isolated Power Supply with PMBus Interface

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Preliminary Technical Data

ADP1051

Rev. PrA | Page 3 of 17

SPECIFICATIONS

VDD = 3.0V to 3.6 V, TA = -40°C to +125°C, unless otherwise noted. FSR = Full Scale Range.

Table 1. Specifications

Parameter

Symbol

Test Conditions/Comments

Min

Typ

Max

Unit

SUPPLY

VDD

3.0

3.3

3.6

V

IDD

PWM pins unloaded

Normal operation (PSON is high or low)

29

mA

Shut down (VDD below UVLO)

60

100

μA

During EEPROM programming, 40 ms

IDD + 6

mA

POWER-ON RESET

Power-ON RESET

VDD rising

3.0

V

UVLO Threshold

VDD falling

2.750

2.850

2.975

V

UVLO Hysteresis

35

mV

OVLO Threshold

3.7

3.9

4.1

V

OVLO Debounce

When set to 2 μs

2

μs

When set to 500 μs

500

μs

VCORE PIN

Output Voltage

330 nF capacitor between VCORE to AGND

2.50

2.6

2.70

V

OSCILLATOR AND PLL

PLL Frequency

Using RES = 10 kΩ (±0.1%)

190

200

210

MHz

DPWM Resolution

625

ps

OUTA, OUTB, OUTC, OUTD, SR1,

SR2 PINS

Output Low Voltage

VOL

Sinking Current = 10 mA

0.4

V

Output High Voltage

VOH

Sourcing Current = 10 mA

VDD−0.4

V

Rise Time

CLOAD = 50 pF

3.5

ns

Fall Time

CLOAD = 50 pF

1.5

ns

VS VOLTAGE SENSE PIN

Input Voltage Range

Differential voltage from VS+ to VS-

0

1

1.60

V

Input Voltage FSR

1.6

V

VS Accurate ADC

Valid Input Voltage Range

1.6

V

ADC Clock Frequency

1.56

MHz

Register Update Rate

100

Hz

Resolution

12

Bits

Measurement Accuracy

Factory trimmed at 1.0 V

From 0% to 100% of Input Voltage Range

−10

+10

% FSR

-160

+160

mV

From 10% to 90% of Input Voltage Range

−2.5

+2.5

% FSR

-40

+40

mV

From 900 mV to 1.1 V

−1.0

+1.0

% FSR

-16

+16

mV

Temperature Coeffient

65

ppm/°C

Common Mode Voltage Offset

-200

+200

mV

VS High Speed ADC

Equivalent

Sampling

fsw

kHz

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